Overview: 2013/03/19 Headlines: Blasts Kill Scores in Iraq on 10th Anniversary of U.S.-Led Invasion; Congolese Rebel Leader Wanted for War Crimes Surrenders at U.S. Embassy; U.S. Condemns Syrian Firing of Rockets into Lebanon; Syrian Opposition Elects U.S. Citizen as Interim Prime Minister; Somalia: Suicide Bomber Kills at Least 10; Yemen Launches U.N.-Backed National Dialogue amid Protests; U.S. Role Seen as Key in Push for Global Arms Treaty; Study: 250,000 U.S. Guns Smuggled into Mexico Each Year; Trial Opens for Challenge to NYPD Stop-and-Frisk Policy; Obama Taps Tom Perez for Secretary of Labor; Hacker Who Revealed AT&T Security Flaw Gets 3.5 Years in Prison; Steubenville: 2 Teenage Girls Arrested for Threatening Rape Victim Online